478752732815 has 24 divisors (see below), whose sum is σ = 673177880592. Its totient is φ = 325891305600.

The previous prime is 478752732797. The next prime is 478752732869. The reversal of 478752732815 is 518237257874.

It is not a de Polignac number, because 478752732815 - 2⁸ = 478752732559 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7098161 + ... + 7165290.

It is an arithmetic number, because the mean of its divisors is an integer number (28049078358).

Almost surely, 2^478752732815 is an apocalyptic number.

478752732815 is a deficient number, since it is larger than the sum of its proper divisors (194425147777).

478752732815 is a wasteful number, since it uses less digits than its factorization.

478752732815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14263607 (or 14263600 counting only the distinct ones).

The product of its digits is 26342400, while the sum is 59.

The spelling of 478752732815 in words is "four hundred seventy-eight billion, seven hundred fifty-two million, seven hundred thirty-two thousand, eight hundred fifteen".